Home / 15,414.45-23,121.61-3,727.68

Finding the Fourth Proportional to 15,414.45, 23,121.61 and 3,727.68

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Solution

The fourth proportional to 15,414.45, 23,121.61 and 3,727.68 is: 5,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.45 : 23,121.61 = 3,727.68 : x
  2. Step 2: Convert to fraction form
    15,414.45/23,121.61 = 3,727.68/x
  3. Step 3: Cross multiply
    15,414.45x = 23,121.61 × 3,727.68
  4. Step 4: Simplify right side
    15,414.45x = 86,189,963.16
  5. Step 5: Solve for x
    x = 86,189,963.16/15,414.45
  6. Step 6: Final answer
    x = 5,591.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.